Flatpak: The KDE 5.14 runtime is no longer supported and does not receive security updates.

[marek22k]

Description

A lot of warnings includes security warning because of outdated dependencies.

Steps to reproduce

Install mirage via flatpak

Expected behavior

No (security) warning

Actual behavior

$flatpak install --user mirage-v0.7.2-x86_64.flatpak
Required runtime for io.github.mirukana.mirage/x86_64/master (runtime/org.kde.Platform/x86_64/5.14) found in remote flathub
Do you want to install it? [Y/n]: y
Info: org.kde.Platform//5.14 is end-of-life, with reason:
   The KDE 5.14 runtime is no longer supported and does not receive security updates. We strongly recommend migrating to a supported runtime.
Info: org.freedesktop.Platform.VAAPI.Intel//19.08 is end-of-life, with reason:
   The Freedesktop SDK 19.08 runtime is no longer supported as of September 1, 2021. Please ask your application developer to migrate to a supported version
Info: org.freedesktop.Platform.GL.default//19.08 is end-of-life, with reason:
   The Freedesktop SDK 19.08 runtime is no longer supported as of September 1, 2021. Please ask your application developer to migrate to a supported version

[Newbytee]

I would suggest you use Moment instead, which is a fork of Mirage with an actually up-to-date Flatpak. It's even available on Flathub: https://flathub.org/apps/details/xyz.mx_moment.moment